xprog-m tms 374 read error

[asliyucegsm 1]

my friends
xprog-m clon 5.0 .
I made version 5:51
tms374
All wires are connected properly but the problem where I helped give me this error
bootloader initializing error . TMS374C003APQQ 
thanks

[nawwizard 445]

Power was supplied to the programmer?

[asliyucegsm 1]

yes 12v power
comport.com .1 .9600 baud
realize how much my friend connection wires must be long